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Please help !!! Quick

Question 57

Question 28

Please help !!! Quick Question 57 Question 28-example-1
Please help !!! Quick Question 57 Question 28-example-1
Please help !!! Quick Question 57 Question 28-example-2
User Trisignia
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1 Answer

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Question 57=10N to left. 60-(20+30)=60-50=10 N



X represents an element and W represents a mixture
User GhostKU
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